/**
* Returns a description of the token pattern with the
* specified id.
*
* @param id the token pattern id
*
* @return the token pattern description, or
* null if not present
*/
public string GetPatternDescription(int id)
{
TokenPattern pattern;
pattern = stringDfaMatcher.GetPattern(id);
if (pattern == null)
{
pattern = nfaMatcher.GetPattern(id);
}
if (pattern == null)
{
pattern = regExpMatcher.GetPattern(id);
}
return((pattern == null) ? null : pattern.ToShortString());
}
